Power Supply; Vdc - Product Group X-300 - Siemens SCALANCE X-300 Compact Operating Instructions

Connecting

5.6 Power supply

5.6 Power supply
5.6.1

24 VDC - product group X-300

Table 5- 2
Device
X304-2FE
X306-1LD FE
X307-3
X307-3LD
X308-2
X308-2LD
X308-2LH
X308-2LH+
X310
X310FE
X320-1 FE
X320-3LD FE
5.6.2 Power supply
Operation only with safety extra-low voltage
• The IE Switch X-300 is designed for operation with safety extra-low voltage (SELV).
• The power supply unit for the IE Switch X-300 power supply must meet NEC Class 2, as
• The power of all connected power supply units must total the equivalent of a power
• If the device is connected to a redundant power supply (two separate power supplies),
• The signaling contact can be subjected to a maximum load of 100 mA (safety extra-low
• Never operate the device with AC voltage or DC voltage higher than 32 V DC.
48
24 to 48 VDC safety extra-low voltage overview
WARNING
This means that only safety extra-low voltages (SELV) complying with
IEC950/EN60950/ VDE0805 can be connected to the power supply terminals.
described by the National Electrical Code(r) (ANSI/NFPA 70).
source with limited power (LPS limited power source).
both must meet these requirements.
voltage (SELV), 24 V DC).
Device version
(power supply)
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
1 x 24 VDC
Compact Operating Instructions, 05/2016, A5E00982643-14
24 V safety extra-low voltage
(SELV)
can be connected redundantly
●
●
●
●
●
●
●
●
●
●
●
●
SCALANCE X-300